When involved in phase III drug evaluation studies, which responsibilities would the nurse have?
Monitor and observe clients closely for adverse effects
Work with animals which are given experimental drugs
Make decisions that will determine the effectiveness of the drug
Select appropriate clients to be involved in the drug study
The Correct Answer is A
a) Phase III clinical trials involve large groups of human participants and focus on confirming the drug's effectiveness and monitoring for adverse effects. The nurse plays a key role in observing and documenting any side effects experienced by the patients.
b) Working with animals is part of preclinical trials, not phase III studies. By the time a drug reaches phase III, it has already undergone animal testing.
c) While data collected in phase III trials contribute to determining a drug’s effectiveness, the decision-making is primarily done by researchers and regulatory agencies, not individual nurses.
d) Selection of appropriate clients for a drug study is generally determined by researchers and trial coordinators based on inclusion and exclusion criteria, rather than by nurses directly.
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Related Questions
Correct Answer is C
Explanation
a) Lung function primarily affects gas exchange and respiratory function but does not significantly influence drug absorption.
b) Kidney function is important for drug excretion rather than absorption. It impacts drug elimination and toxicity risk rather than how well a drug is absorbed.
c) Liver function plays a key role in drug metabolism. Poor liver function can alter drug absorption and metabolism, particularly for orally administered drugs that undergo the first-pass effect.
d) The route of administration directly impacts drug absorption. For example, intravenous (IV) drugs bypass absorption entirely, while oral medications must go through the digestive system before entering circulation.
Correct Answer is B
Explanation
a) Decreased drug effects are unlikely in liver disease because impaired liver function reduces drug metabolism, leading to higher drug concentrations in the bloodstream.
b) Increased drug effects occur because the liver is responsible for metabolizing many drugs. In liver disease, drug metabolism is slowed, leading to prolonged drug action and potential toxicity.
c) Decreased therapeutic range is not the primary concern. The therapeutic range refers to the safe and effective drug concentration, but liver disease mainly affects drug metabolism and clearance.
d) Increased therapeutic range is incorrect because liver disease does not widen the range of safe drug levels; instead, it increases the risk of drug accumulation and toxicity.
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